Chemical Or Physical Processes, E.g. Catalysis Or Colloid Chemistry; Their Relevant Apparatus
C10G
Cracking Hydrocarbon Oils; Production Of Liquid Hydrocarbon Mixtures, E.g. By Destructive Hydrogenation, Oligomerisation, Polymerisation ; Recovery Of Hydrocarbon Oils From Oil-shale, Oil-sand, Or Gases; Refining Mixtures Mainly Consisting Of Hydrocarbons; Reforming Of Naphtha; Mineral Waxes
C08K
Use Of Inorganic Or Non-macromolecular Organic Substances As Compounding Ingredients
